Home / 12,587.94-18,881.91-5,994.13

Finding the Fourth Proportional to 12,587.94, 18,881.91 and 5,994.13

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Solution

The fourth proportional to 12,587.94, 18,881.91 and 5,994.13 is: 8,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,587.94 : 18,881.91 = 5,994.13 : x
  2. Step 2: Convert to fraction form
    12,587.94/18,881.91 = 5,994.13/x
  3. Step 3: Cross multiply
    12,587.94x = 18,881.91 × 5,994.13
  4. Step 4: Simplify right side
    12,587.94x = 113,180,623.19
  5. Step 5: Solve for x
    x = 113,180,623.19/12,587.94
  6. Step 6: Final answer
    x = 8,991.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.